Error 0x800706D4

Value: -2147023148 | 0x800706D4 | 2147944148

What does it mean ?

RPC_S_UNKNOWN_AUTHN_LEVEL  
The authentication level is unknown.
Value: 1748 | 0x06D4 | 0b0000011011010100

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

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